junranhuigu的专栏

/** * 获取当前系统已使用内存 * */ public static long getSystemMemory(){ Runtime runtime = Runtime.getRuntime(); long total = runtime.totalMemory();//总内存 long free = runtime.freeMemory();//空闲内存 long use =

最近在网上看到一片文章Java工程师成神之路，对其中的 1.1.5. 自己编写各种outofmemory，stackoverflow程序 HeapOutOfMemory Young OutOfMemory MethodArea OutOfMemory ConstantPool OutOfMemory DirectMemory OutOfMemory Stack OutOfMemory